! Swift/XRT lightcurve of trigger: 21818, name: GRB 250311A - source 2
 ! T0 for this burst is Swift MET=763350957.223 s, = 2025 Mar 11 at 01:55:22.000 UT

 ! Data covers 0.3-10 keV
 ! The data are in 5 columns: ";
 ! time, time error (+ve), time error (-ve), source count-rate, source error
 ! For a detailed description of light curve production, see Evans et al. 2007 (A&A, 469, 379 )
 ! For a detailed description of the file, see
 ! http://www.swift.ac.uk/xrt_curves/docs.php
 ! This lightcurve was obtained from http://www.swift.ac.uk/xrt_curves/00021818
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
35380.243	278.929	-429.301	1.342462e-02	7.425844e-03	-5.479839e-03